Scania fault code 4217
Code 4217 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Charge air pressure sensor T166, fixed signal value
The value from the charge air pressure sensor does not vary as expected.
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EMU
Heater H39, internal fault
The heater is reporting a voltage value that is outside the expected interval.
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BMU Battery Management Unit
Cell monitoring circuit board, internal fault
Chip for cell balancing in a cell monitoring circuit board reports faults.
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DDU
Microphone, break in circuit
Information is missing, update is in progress.
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